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Finding the Fourth Proportional to 9,551.79, 14,229.18 and 9,261.63

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Solution

The fourth proportional to 9,551.79, 14,229.18 and 9,261.63 is: 13,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.79 : 14,229.18 = 9,261.63 : x
  2. Step 2: Convert to fraction form
    9,551.79/14,229.18 = 9,261.63/x
  3. Step 3: Cross multiply
    9,551.79x = 14,229.18 × 9,261.63
  4. Step 4: Simplify right side
    9,551.79x = 131,785,400.36
  5. Step 5: Solve for x
    x = 131,785,400.36/9,551.79
  6. Step 6: Final answer
    x = 13,796.93

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.